(19)
(11) EP 1 618 277 A1

(12)

(43) Date of publication:
25.01.2006 Bulletin 2006/04

(21) Application number: 04729456.6

(22) Date of filing: 26.04.2004
(51) International Patent Classification (IPC): 
E21B 10/32(1980.01)
(86) International application number:
PCT/GB2004/001758
(87) International publication number:
WO 2004/097163 (11.11.2004 Gazette 2004/46)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK

(30) Priority: 30.04.2003 GB 0309906

(71) Applicant: ANDERGAUGE LIMITED
Aberdeen AB12 3LE (GB)

(72) Inventors:
  • EDDISON, Alan Martyn
    Stonehaven AB39 3YS (GB)
  • ADAM, Mark
    Aberdeen AB11 5DZ (GB)

(74) Representative: Shanks, Andrew et al
Marks & Clerk 19 Royal Exchange Square
Glasgow G1 3AE
Glasgow G1 3AE (GB)

   


(54) DOWNHOLE TOOL HAVING RADIALLY EXTENDABLE MEMBERS